What would you do if one day, a time-traveling, hammer-wielding girl from the future suddenly appeared in your backyard searching for a mysterious object? Well, that's exactly what happens to Takayuki, who is a normal high school student. Join him on a crazy but sweet adventure that delves into the world of time travel and future beings as he discovers the true power the future beholds.
[This series was migrated from the old Kagane. There may be missing data or inaccuracies.]
